Blanking End Cap 3/8" Dia Plastic Round Tubing Tube Insert Blug 24 Pcs Item Name : Round Tube Insert;Thread Diameter(Each) : 10mm/ 3/8" Total Size : 13 x 5mm/ 0.5" x 0.2"(D*H);Color : White Material : Plastic Weight : 8g Package Content : 24 x Round Tube Insert